This lesson teaches students how to draw bar models to help them represent and solve proportions. Conceptual development is key to the Common Core and this lesson provides students skills in that area.

Total Pages

16 pages

Answer Key

N/A

Teaching Duration

2 hours

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Standards

to see state-specific standards (only available in the US).

CCSS7.RP.A.1

Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in each 1/4 hour, compute the unit rate as the complex fraction ½/¼ miles per hour, equivalently 2 miles per hour.

CCSS7.RP.A.2c

Represent proportional relationships by equations. For example, if total cost 𝘵 is proportional to the number 𝘯 of items purchased at a constant price 𝘱, the relationship between the total cost and the number of items can be expressed as 𝘵 = 𝘱𝘯.

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